iPad Mini Setup

Backup

Account Setup

Whilst setting up the iPad, choose the secondary iCloud Account.
Afterwards, goto Settings > iTunes & App Stores and change the Account to purchase Apps manually to the primary iCloud Account.

Accounts

iCloud

Use the secondary iCloud account to sync

CalDAV

In Settings > Mail, Contacts, Calendard > Add Account... choose Other > Add CalDAV Account.

In order to sync more than one calendar, head over to this site to customize your sync settings.

Settings

App Installation

Mandatory Apps

Optional Apps